An ambulance is a medical vehicle that is specifically designed to transport injured or sick people to a hospital or medical facility. However, there are a variety of other terms that can be used to describe this type of vehicle. Some people might refer to it as a rescue vehicle, a first aid vehicle, or a medical transport. Additionally, some countries use specific terms like paramedic unit, emergency response vehicle, or mobile intensive care unit. Regardless of the term used, the primary function of these vehicles is to provide essential medical care and transportation to those in need.